Psychometric evaluation of the Chinese version of advance care planning self-efficacy scale among clinical nurses

BMC Palliative Care

Table 2 Item analysis of the scale

Item	t-Value	p	Factor loading	Cronbach’s α if item deleted	Corrected item‐total correlation coefficients
1	13.152	< 0.001	0.826	0.872 (↓)	0.602^a
2	8.845	< 0.001	0.790	0.877 (↓)	0.482^a
3	14.247	< 0.001	0.828	0.872 (↓)	0.602^a
4	14.414	< 0.001	0.864	0.870 (↓)	0.644^a
5	11.624	< 0.001	0.869	0.874 (↓)	0.541^a
6	12.166	< 0.001	0.850	0.872 (↓)	0.584^a
7	10.617	< 0.001	0.811	0.875 (↓)	0.520^a
8	13.101	< 0.001	0.847	0.872 (↓)	0.596^a
9	13.657	< 0.001	0.826	0.871 (↓)	0.616^a
10	8.226	< 0.001	0.662	0.878 (↓)	0.437^a
11	17.211	< 0.001	0.882	0.865 (↓)	0.731^a
12	13.935	< 0.001	0.639	0.871 (↓)	0.608^a
13	17.499	< 0.001	0.882	0.865 (↓)	0.732^a
14	17.029	< 0.001	0.638	0.868 (↓)	0.669^a
15	13.172	< 0.001	0.837	0.872 (↓)	0.607^a
16	12.533	< 0.001	0.683	0.875 (↓)	0.561^a

^aindicates significance p < 0.01; "↓" indicates that once the item is deleted, the Cronbach's α decreases

ISSN: 1472-684X